1500 watts of heating power, silent operation, Best for medium to large rooms that need constant heat in the colder seasons.High quality, patented steel assembly - permanently sealed oil reservoir - never needs refilling.ECO function saves energy by automatically adjusting heat and power settings for the most comfortable and economical warmthPatented thermal slots maximize heat flow yet maintain a low surface temperaturePatented smart-snap wheels snap into place perfectly no assembly requiredAdjustable thermostat and three heat settings allows you to customize your heating needs